Toward Additive-Free Small-Molecule Organic Solar Cells: Roles of the Donor Crystallization Pathway and Dynamics

被引：55

作者：

Abdelsamie, Maged ^{[1
]}

Treat, Neil D. ^{[2
,3
]}

Zhao, Kui ^{[1
]}

McDowell, Caitlin ^{[4
]}

Burgers, Mark A. ^{[4
]}

Li, Ruipeng ^{[5
]}

Smilgies, Detlef-M. ^{[5
]}

Stingelin, Natalie ^{[2
,3
]}

Bazan, Guillermo C. ^{[4
]}

Amassian, Aram ^{[1
]}

机构：

[1] King Abdullah Univ Sci & Technol, Solar & Photovolta Engn Res Ctr, Div Phys Sci & Engn, Thuwal 239556900, Saudi Arabia

[2] Univ London Imperial Coll Sci Technol & Med, Dept Mat, London SW7 2AZ, England

[3] Univ London Imperial Coll Sci Technol & Med, Ctr Plast Elect, London SW7 2AZ, England

[4] Univ Calif Santa Barbara, Ctr Polymers & Organ Solids, Dept Mat, Ctr Energy Efficient Mat,Dept Chem & Biochem, Santa Barbara, CA 93106 USA

[5] Cornell Univ, Cornell High Energy Synchrotron Source, Ithaca, NY 14850 USA

来源：

ADVANCED MATERIALS | 2015年 / 27卷 / 45期

基金：

英国工程与自然科学研究理事会;

关键词：

CHARGE-TRANSPORT; DOMAIN PURITY; PERFORMANCE; SEMICONDUCTORS; MORPHOLOGY; EFFICIENCY; SIZE; RECOMBINATION; ENHANCEMENT; ORDER;

D O I：

10.1002/adma.201503395

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The ease with which small-molecule donors crystallize during solution processing is directly linked to the need for solvent additives. Donor molecules that get trapped in disordered (H1) or liquid crystalline (T1) mesophases require additive processing to promote crystallization, phase separation, and efficient light harvesting. A donor material (X2) that crystallizes directly from solution yields additive-free solar cells with an efficiency of 7.6%.

引用

收藏

页码：7285 / +

页数：9

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